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Individual Calculations June 2018 |
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| Freitag, Todd Total change: -18.00 | |   |
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| Chicago Chess Center 2nd Haymarket Memorial | Chicago, Illinois | USA | 2018-05-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1973 | 2003 | 2.50 | 4 | 0.27 | 20 | 5.40 | |
|  Georgiev, Vladimir | g | | 2403 * | MKD | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Coffman, Charles | | | 1864 | USA | 0.50 | 1 | -0.19 | 20 | -3.80 | |  Aldhafeeri, Abdulaziz | | | 1687 | KSA | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Li, Beilin | | | 1938 | USA | 1.00 | 1 | 0.41 | 20 | 8.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 27th Annual Chicago Open | Wheeling, Illinois | USA | 2018-05-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2072 | 2003 | 2.50 | 9 | -1.17 | 20 | -23.40 | |
| | Ruiz Castillo, Joshua Daniel | m | | 2371 | COL | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Lin, Andy | | | 2224 | USA | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Guo, Arthur | f | | 2225 | USA | 1.00 | 1 | 0.78 | 20 | 15.60 | | | Itkin, David | | | 2243 | CAN | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Wang, Jason | c | | 2196 | USA | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Mardov, Dimitar | | | 1717 | USA | 0.00 | 1 | -0.84 | 20 | -16.80 | | | King, Nicholas | | | 1961 | USA | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Shawkat, Saif | | | 2105 | USA | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Johnson, Henderson | | | 1603 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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